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Netmeeting: A tool for collaborative simulation modelling

International Journal of simulation: systems, Science and Technology 2000年第1-2期1卷 59-68页

作者： Taylor, Simon J. E. Centre for Applied Simulation Modelling Department of Information Systems and Computing Brunel University Uxbridge Middx United Kingdom

Effective collaboration in simulation modelling is possibly one of the key factors in the success of a simulation project. Computer Supported Cooperative Work is a research field that has investigated this in other domains. This field has led to the technological development of software, or groupware, to facilitate group working. This paper investigates the appropriateness of groupware in simulation modelling by introducing Microsoft’s NetMeeting, an exemplar of this technology. This groupware is discussed in terms of simulation modelling activities. A short survey of expert opinion is also presented to evaluate the usefulness of this technology. The survey shows that application sharing is clearly perceived to be the most useful feature of NetMeeting. © 2000, UK simulation Society. All right reserved.

关键词： Groupware

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A review of Web based simulation: whither we wander?

A review of Web based simulation: whither we wander?

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simulation Winter Conference

作者： J. Kuljis R.J. Paul Centre for Applied Simulation Modelling Department of Information Systems and Computing Brunei University Uxbridge Middlesex UK

This paper considers a variety of new technologies for discrete-event simulation software development. Environments and languages for Web based simulation are reviewed. Web based applications are discussed. After proposing a summary of the review, ways of working that will have an unpredictable effect on the future of simulation modeling are proposed.

关键词： Computational modeling Java Computer simulation Application software Internet Collaboration information systems Discrete event simulation Programming Computer languages

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On simulation model complexity

On simulation model complexity

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simulation Winter Conference

作者： L. Chwif M.R.P. Barretto R.J. Paul Mechatronics Laboratory University of São Paulo Sao Paulo Brazil Centre for Applied Simulation Modelling Department of Information Systems and Computing Brunei University Middlesex UK

Nowadays the size and complexity of models is growing more and more, forcing modelers to face some problems that they were not accustomed to. Before trying to study ways to deal with complex models, a more important and primary question to explore is, is there any means to avoid the generation of complex models? The primary purpose of this paper is to discuss several issues regarding the complexity of simulation models, summarizing the findings in this area so far, and calling attention to this area that, despite its importance, appears to remain at the bottom of simulation research agendas.

关键词： Computational modeling Computer simulation Mechatronics information systems Computer performance Project management Resource management Time factors Software performance Animation

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Using simulation for the economic evaluation of liver transplantation

Using simulation for the economic evaluation of liver transp...

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simulation Winter Conference

作者： L.P. Baldwin T. Eldabi R.J. Paul A.K. Burroughs Centre for Applied Simulation Modelling CASM Department of Information Systems and Computing Brunei University Uxbridge Middlesex UK Department of Medicine Royal Free Hospital and School of Medicine London UK

This paper demonstrates the use of simulation in an evaluative study for the technology of liver transplantation from the cost-effectiveness point of view. This study is conducted in the United Kingdom where there are no explicit guidelines for the prioritization of patients waiting for transplantation. Another objective of the model is to enable health economists to understand the technology of liver transplantation and evaluate alternative policies for prioritizing patients in the waiting list. The paper shows the construction of a tailor-made package (LiverSim) and provides an example of how this package is used by the stakeholders to assist in the evaluation process. Some final lessons are drawn that simulation helps in exploring more issues outside the boundaries of quantitative results.

关键词： Hospitals Computational modeling Packaging Liver diseases information systems Guidelines Europe Decision making Surgery Blood

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Developing interest management techniques in distributed interactive simulation using Java

Developing interest management techniques in distributed int...

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simulation Winter Conference

作者： S.J.E. Taylor J. Saville R. Sudra Centre for Applied Simulation Modelling Department of Information System and Computing Brunei University Uxbridge UK

Bandwidth consumption in distributed real time simulation, or networked real time simulation, is a major problem as the number of participants and the sophistication of joint simulation exercises grow in size. The paper briefly reviews distributed real time simulation and bandwidth reduction techniques and introduces the Generic Runtime Infrastructure for Distributed simulation (GRIDS) as a research architecture for studying such problems. GRIDS uses Java abstract classes to promote distributed services called thin agents, a novel approach to implementing distributed simulation services, such as user defined bandwidth reduction mechanisms, and to distributing the executable code across the simulation. Thin agents offer the advantages of traditional agents without the overhead imposed by mobility or continuous state, which are unnecessary in this context. We present our implementation and some predicted results from message reduction studies using thin agents.

关键词： Java Computational modeling Bandwidth Predictive models Traffic control Displays Intelligent networks Real time systems Runtime Joining processes

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simulation modeling as an aid to decision-making in healthcare management: the Adjuvant Breast Cancer (ABC) trial

Simulation modeling as an aid to decision-making in healthca...

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simulation Winter Conference

作者： L.P. Baldwin T.A. Eldabi R.J. Paul Centre for Applied Simulation Modelling Department of Information Systems and Computing Brunei University Uxbridge Middlesex UK

The paper presents simulation modeling as a decision support technique and suggests that it can be a useful for understanding problems related to health care, randomized clinical trials in this case. The paper shows that simulation may not be regarded as a tool for deriving solutions to certain problems. In fact simulation is better suited for understanding the problem and enhancing systematic debate between the problem owners. The paper also demonstrates the usefulness of combining different software to provide a comprehensive tailor-made package (ABCSim). The example used is based on modeling a randomized clinical trial for Adjuvant Breast Cancer.

关键词： Decision making Medical services Breast cancer Medical treatment Computational modeling Clinical trials Economics Packaging Collaboration Management information systems

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simulation modeling as an aid to decision-making in healthcare management: the adjuvant breast cancer (ABC) trial 99

Simulation modeling as an aid to decision-making in healthca...

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Proceedings of the 31st conference on Winter simulation: simulation---a bridge to the future - Volume 2

作者： Lynne P. Baldwin Tillal A. Eldabi Ray J. Paul Centre for Applied Simulation Modelling Department of Information Systems and Computing Brunel University Uxbridge Middlesex UB8 3PH U.K.

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simulation optimization with the linear move and exchange move optimization algorithm

Simulation optimization with the linear move and exchange mo...

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simulation Winter Conference

作者： M.R.P. Barretto L. Chwif T. Eldabi R.J. Paul Mechatronics Laboratory University of Sao Paulo Sao Paulo Brazil Centre For Applied Simulation Modelling Department of Information Systems And Computing Brunei University Uxbridge Middlesex UK

The linear move and exchange move optimization (LEG) is an algorithm based on a simulated annealing algorithm (SA), a relatively recent algorithm for solving hard combinatorial optimization problems. The LEO algorithm was successfully applied to a facility layout problem, a scheduling problem and a line balancing problem. We try to apply the LEO algorithm to the problem of optimizing a manufacturing simulation model, based on a steelworks plant. This paper also demonstrates the effectiveness and versatility of this algorithm. We compare the search effort of this algorithm with a genetic algorithm (GA) implementation of the same problem.

关键词： Computational modeling Input variables Computer simulation Low earth orbit satellites Optimization methods Constraint optimization Simulated annealing Mechatronics Scheduling algorithm Job shop scheduling

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simulation optimization with the linear move and exchange move optimization algorithm 99

Simulation optimization with the linear move and exchange mo...

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Proceedings of the 31st conference on Winter simulation: simulation---a bridge to the future - Volume 1

作者： Marcos Ribeiro Pereira Barretto Leonardo Chwif Tillal Eldabi Ray J. Paul Mechatronics Lab University of São Paulo Av. Prof. Mello Moraes 2231 Sao Paulo 05508-900 Brazil Centre For Applied Simulation Modelling Department of Information Systems And Computing Brunel University Uxbridge Middlesex UB8 3PH U.K.

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Braindance: simulating patterns of behavior

Braindance: simulating patterns of behavior

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IEEE International Conference on systems, Man and Cybernetics

作者： J.D. Salt Centre for Applied Simulation Modelling Department of Information Systems and Computing Brunei University Middlesex UK

One dominating view of simulation, especially when graphical methods or notations are used to construct simulations, is that of transaction flow. This paper identifies six behavioral patterns that highlight problems with this view. An object-oriented method of constructing simulations is introduced which consists of embedding simulation entities in "yokes", which can be thought of as reified contracts.

关键词： Brain modeling Computational modeling Object oriented modeling Programming profession Object oriented programming information systems Contracts Cognitive science Control systems Engineering profession

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